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Overdetermined

Weighting

Interesting Post on Weighting for Party ID

Mon, 11/17/2008 - 12:53 — Blue Leader

PPP has an interesting post about some of the subtleties in weighting for party ID, using a comparison between immediate pre-election polls and the exit polling in North Carolina.  It's very much worth a read; there's some stuff in there I hadn't considered about the fluidity of people's self-reported party ID.

Problems with Sampling II - Weights and Clusters

Wed, 10/22/2008 - 03:31 — Student Redux

Pursuant to some correspondance with my colleagues Blue Leader and Dirty D, I'd like to give a brief follow-up to my post from Monday about the problems associated with stratified sampling.  BL and DD brought up a pair of topics related to my last post but not covered therein: demographic weighting in poll samples, and cluster sampling.  These are alternate methodologies that can be used in polling, and both deserve separate discussion.  Now that I've established some groundwork on the topic of stratified sampling, I think it should be easier to tackle these two topics.

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